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Q. Is there any way to execute truly stable storage? Describe your answer.
Answer: Truly steady storage would never lose data. The fundamental technique for steady storage is to maintain multiple copies of the data consequently that if one copy is destroyed some other copy is still available for use. However for any scheme we can imagine a large enough disaster that all copies are destroyed.
Define buffering. A buffer is a memory area that keeps data whereas they are transferred among two devices or among a device and an application. Buffering is done for three rea
Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects: System performance while no
What are the various scheduling criteria for CPU scheduling? The various scheduling criteria are CPU utilization
Difference between cache and associate memory
Semispace works by maintaining two disjoint areas from which memory can be allocated. These areas are called the from-space and the to-space. At ?rst, the algorithm allocates memor
1. Draw a schematic diagram of a CMOS inverter and explain its operation. 2. Draw schematic diagrams of CMOS NAND and NOR gates, and explain their operation. 3. Explain what
Write a note on the usage of semaphores. Semaphore is a synchronization tool and it is a variable having integer values. It is accessed only by two standard atomic operations w
FIFO page replacement This is the easiest page replacement algorithm. At this juncture the 1 st page entering is the 1 st to leave that is the oldest page leaves. To execute
Overlay structured program: A program consisting of overlays is referred as overlay structured program in which an overlay is a part of program which has similar load origin as
what is multiprogramming
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